<template>
  <div class="register">
    <el-form ref="registerForm" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">{{title}}</h3>
      <el-form-item prop="username">
        <el-input v-model="registerForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="registerForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleRegister">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input v-model="registerForm.confirmPassword" type="password" auto-complete="off" placeholder="确认密码" @keyup.enter.native="handleRegister">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaOnOff">
        <el-input v-model="registerForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleRegister">
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="register-code">
          <img :src="codeUrl" @click="getCode" class="register-code-img" />
        </div>
      </el-form-item>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="medium" type="primary" style="width:100%;" @click.native.prevent="handleRegister">
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right;">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>{{copyRight}}</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg, register } from '@/api/system/login'
import defaultSettings from '@/settings'

export default {
  name: 'Register',
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.registerForm.password !== value) {
        callback(new Error('两次输入的密码不一致'))
      } else {
        callback()
      }
    }
    return {
      codeUrl: '',
      registerForm: {
        username: '',
        password: '',
        confirmPassword: '',
        code: '',
        uuid: ''
      },
      registerRules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入您的账号' },
          {
            min: 2,
            max: 20,
            message: '用户账号长度必须介于 2 和 20 之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入您的密码' },
          {
            min: 5,
            max: 20,
            message: '用户密码长度必须介于 6 和 20 之间',
            trigger: 'blur'
          }
        ],
        confirmPassword: [
          { required: true, trigger: 'blur', message: '请再次输入您的密码' },
          { required: true, validator: equalToPassword, trigger: 'blur' }
        ],
        code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
      },
      loading: false,
      captchaOnOff: true
    }
  },
  computed: {
    copyRight: function() {
      return defaultSettings.copyRight
    },
    title: function() {
      return defaultSettings.title
    }
  },
  created() {
    this.getCode()
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.codeUrl = 'data:image/gif;base64,' + res.data.img
        this.registerForm.uuid = res.data.uuid
        this.$forceUpdate()
      })
    },
    handleRegister() {
      this.$refs.registerForm.validate((valid) => {
        if (valid) {
          this.loading = true
          register(this.registerForm)
            .then((res) => {
              if (res.code == 200) {
                const username = this.registerForm.username
                this.$alert(
                  "<font color='red'>恭喜你，您的账号 " +
                    username +
                    ' 注册成功！</font>',
                  '系统提示',
                  {
                    dangerouslyUseHTMLString: true,
                    type: 'success'
                  }
                )
                  .then(() => {
                    this.$router.push('/login')
                  })
                  .catch(() => {})
              }
            })
            .catch(() => {
              this.loading = false
              if (this.captchaOnOff) {
                this.getCode()
              }
            })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/image/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.register-form {
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.3);
  width: 310px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.register-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.register-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.register-code-img {
  height: 38px;
}
</style>
